Device foe central draft lamps



(No Model.)

A. H. JONES. WIG K ADJUSTING DEVICE FOR CENTRAL DRAFT LAMPS. No.554,935.

Patented Feb. 18, 1896.

UNITED STATES PATENT OF ICE AUGUSTUS H, JONES, OF MERIDEN, CONNECTICUT,ASSIGNOR TO THE MERIDEN BRONZE COMPANY, OF SAME PLACE.

WICK- ADJUSTING DEVICE FOR CENTRAL-DRAFT LAMPS.

SPECIFICATION forming part of Letters Patent No. 554,935, dated February18, 1896. Application filed April 1, 1895. $erial No. 544,003. (Nomodel.)

To aZZ whom it may concern:

Be it known that I, AUGUSTUS H. JONES, of Meriden, in the county of NewHaven and State of Connecticut, have invented a new Improvement inWick-Adjusting Devices for Central-Draft Lamps; and I do hereby declarethe following, when taken in connection with the accompanying drawingsand the letters of reference marked thereon, to be a full, clear, andexact description of the same, and which said drawings constitute partof this specification, and represent, in

Figure 1, a broken View, partly in elevation and partly in verticalsection, of one form which a lamp provided with my invention may assume;Fig. 2, a detached view, in side elevation, of the rotatablefinger-button; Fig. 3, a reverse plan view thereof; Fig. 4, a detachedview, in vertical central section, of the cap in which the finger-buttonis mounted.

My invention relates to an improved wickadjusting device forcentral-draft lamps, of that class which provide for the direct plungingand lifting of the wick through the medium of a draw-bar, and for a fineadjustment of the wick through the medium of a rotatable finger-button,the object being to produce a convenient and effective deviceconstructed with particular reference to convenience of operation andfewness and cheapness of parts.

With these ends in view my invention consists in a wick-adjusting devicefor central-draft lamps, having certain details of construction andcombinations of parts, as

will be hereinafter described and pointed out in the claims.

In carrying out my invention I employ a draw-bar having an inner leg, A,and an outer leg, A, arranged parallel with it. As herein shown, theinner leg is turned inward at a right angle at its lower end to form anarm a, which is designed to be inserted into an outwardly-projectinghorizontal socket B carried by the wick band or holder B; but I do notlimit myself to any particular Way of connecting the lower end of theleg A with the wick holder or carrier, nor to constructing the same inany particular manner. As

herein shown, the upper end of the inner leg, A, is turned outward in ahorizontal plane to form a reach A with which the upper end medium of acoupling C, consisting, as shown, of a small ball. The lower end of theouter leg has very coarsely-pitched screw-threads a a formed in it, andpasses downward into the lamp-fount D through the central longitudinalopening E of a rotatable finger-button E and the hub E thereof, the saidbutton and hub being solid and integral, as shown, and the hub beingconstructed at its lower end with two inward projections e e which takeinto the threads aforesaid. As shown, these projections are formedintegral with the hub, but they may be formed independent of the sameand mounted therein. If desired, the button and hub may be madeindependent of each other and secured together. The said finger-buttonhas bearing upon the fiat upper face of a cap F, which is constructedwith a central opening F adapted to receive the hub, and with adownwardly-projecting inwardly-turned annular flange F which takes intoan annular circumferential recess E formed in the hub, whereby thebutton is firmly coupled with the cap for rotation therein independentthereof, but prevented from longitudinal movement with respect to thecap, from which it is separated by a fibrous or other antifrictionwasher G. The said cap is internally threaded and screwed over anexternally-threaded nipple H mounted in the fount D, the inner face ofthe fiat upper end of the cap screwing down upon the upper end of thenipple, so as to impinge thereupon. Under this particular constructionoil is prevented from working out of the fount through.

the nipple and cap, which it would be likely to do if the cap werereplaced by a nut screwing into the nipple on the inside thereof.

It will be clearly understood from the foregoing description that bygrasping the drawbar either by the reach A of the inner leg, or in anyother manner in which it may be grasped, it may be thrust down andlifted up for suddenly plunging the wick or quickly lifting the same,the rotatable finger-button idly rotating in one direction or the otherunder the influence of the threaded outer leg of the bar. On the otherhand, by rotating the said button in one direction or the other the barmay be carefully raised and lowered, and hence the wick, for securing afine adjustment of the same. My device therefore provides in oneorganization for plunging and lifting the wick, as well as for adjustingthe same under the control of a screw. I would therefore have itunderstood that I do not limit myself to the exact construction shownand described, but hold myself at liberty to make such changes andalterations as fairly fall within the spirit and scope of my invention.

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent, is

In a wick-adj usting device for central-draft lamps, the combination.with the lan1p-fount and the central-draft tube thereof, ofawickcarrier, at draw-bar having an inner leg and an outer leg arrangedparallel with each other and connected together at their upper ends, theinner leg passing downward through the top of the lamp-fount andconnected at its lower end with the wick-carrier, and the outer leghaving its lower end constructed with screw-threads of coarse pitch, anipple mounted in the top of the lamp-fount, a removable cap applied tothe said nipple and having a central opening, and a flange located belowthe same, a rotatable finger-button bearing upon the said removable cap,and constructed with a hub passing downward through the central openingthereof and furnished with a circumferential groove receiving the saidflange and constructed with one or more inward projections taking intothe threads of the outer leg of the bar which passes downward throughthe central opening of the button and the hub thereof, the threads ofthe outer leg of the bar and the projection or projections of the hub ofthe button being constructed to permit the bar to be plunged or raisedby a direct thruster lift at which time the button idly rotates in onedirection or the other, substantially as set forth.

In testimony whereof I have signed this specification in the presence oftwo subscribing witnesses.

AUGUSTUS ll. JUNE.

"Witnesses:

FRED. (1. EARLE, LILLIAN I). KELSEY.

